441.
A Triac has three terminals viz.....................
A
Drain, source, gate
B
None of the above
C
Two main terminal and a gate terminal
D
Cathode, anode, gate
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A Triac has three terminals viz.....................
Drain, source, gate
None of the above
Two main terminal and a gate terminal
Cathode, anode, gate
A triac has .................... semiconductor layers
Two
Five
Three
Four
A triac can pass a portion of ..................... half-cycle through the load
Only positive
None of the above
Only negative
Both positive and negative
A full wave rectifier with resistive load produces
Second harmonic
Do not produce harmonics
Third harmonic
Fifth harmonic
A diac is turned on by ...................
A breakover voltage
None of the above
Gate voltage
Gate current
A diac is simply.....................
A single junction device
None of the above
A three junction device
A triac without gate terminal
A diac has ................... semiconductor layers
Three
None of the above
Two
Four
A diac has....................pn junctions
Four
None of the above
Two
Three
A diac has........................terminals
Two
None of the above
Three
Four
A crowbar is a circuit which is used to protect a
voltage sensitive load from excessive dc power supply output voltages
current sensitive load from excessive ac power supply output voltages
current sensitive load from excessive dc power supply output voltages
voltage sensitive load from excessive ac power supply output voltages
Which of the following is not taken into consideration when calculating the characteristic impedance for each layer?
Trace width
Trace height
Trace length
Distance of the trace to a plane
Which of the following drill document(s) must be provided to the fabricator to program their drilling equipment?
Drill Plot
Drill Drawing
NC Drill file
All of the above
When writing a requirement, the following word should be used to denote a requirement:
Should
Would
Can
Shall
When writing a requirement
The use of the word and is okay
The use of the word or is okay
Both of the above
None of the above
When is the earliest time one should communicate the bill of materials:
After fabrication has been started
After the boards have been fabricated
When the schematics are completed
After the layout is complete
What is the best method to provide a unique number for each component in the library?
Use the manufacturers part number
Use the vendors part number
Use a part number that is assign by the company you work for
Use a part number that you make up as you go
True Statement Statementor False Statement: ODB++ and Gerbers are proprietary formats
True Statement
False Statement
Though schematic tools do have to use a grid for pin connectivity, in theory, the grid used in a schematic is
In metric (mm)
In imperial (mils)
Both A and B interchangeably
Dimensionless
The use of 3D component models in the PCB layout can assist with
Electrical clearance
Component clearance
All of the above
None of the above
The solder paste files are generally produced
In the assembly file
In the fabrication files
Manually drawn
As part of the bill of materials